Structure DAPPACKIP000057 · Honolulu County, HI

Range Road over Siphon Pipe

Carries Range Road over Siphon Pipe, Between Storage 39 & 40.

Overall conditionGood

Set by its lowest-rated component: Deck and Superstructure and Substructure at 7 of 9.

How ratings work
Decksets the rating7/9 · Good
Superstructuresets the rating7/9 · Good
Substructuresets the rating7/9 · Good
0 failed4 poor6 fair9 excellent

Elevation

Side view, colored by inspection rating
CAR · 15 FT62 FT OVERALL25 FT0ELEVATION · LENGTHS TO SCALE
Deck 7/9Superstructure 7/9Substructure 7/9

62 ft end to end. Lengths and the car on the deck are drawn to the same scale. Each part is colored by its latest inspection rating. The inventory records lengths but not heights or the layout of the shorter spans, so those are drawn as typical for a multi-beam bridge.

Built196957 years old
Length62.0 ft18.9 m
Daily traffic2counted 2015
Last inspectedMarch 2019every 24 months

Location

StateHawaii
CountyHonolulu
LocationBetween Storage 39 & 40
CarriesRange Road
CrossesSiphon Pipe
Coordinates21.45062, -157.99680

Physical Characteristics

MaterialPrestressed Concrete
DesignStringer/Multi-beam
Total Length62.0 ft (18.9 m)
Max Span60.0 ft (18.3 m)
Deck Width20.0 ft (6.1 m)
Deck Area115.3 sq m
Main Spans1
Year Built1969

Traffic

Avg Daily Traffic2 (2015)
Lanes On Bridge1

Inspection & Ownership

Last InspectionMarch 2019
Inspection FrequencyEvery 24 months
OwnerArmy
Historical SignificanceBridge is not eligible for the National Register
Scour CriticalNot applicable
Structure NumberDAPPACKIP000057

How Bridge Ratings Work

Inspectors rate each major part of a bridge (the deck you drive on, the superstructure of beams that holds it up, and the substructure of piers and abutments beneath) on a 0–9 scale. A bridge's overall condition is its lowest of those ratings, so one deteriorated component makes the whole bridge "poor."

0Failed
1Imminent failure
2Critical
3Serious
4Poor
5Fair
6Satisfactory
7Good
8Very good
9Excellent
Good · lowest component 7–9
Fair · lowest component 5–6
Poor · lowest component 0–4

A poor rating is not a closure. It means the bridge is flagged for priority repair or replacement; bridges judged unsafe are closed or posted with weight limits. The waterway (channel) rating is reported, but it does not count toward the overall classification.

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